1.As a research, you should be mindful on constructing and interpreting graphs. All of the following are recommended guidelines you should follow except for one. Which one does not reflect a guideline?

A.The simplest graph should be used for a given set of data

B.Axis should be clearly marked and labeled

C.On a bar chart or histogram, bar widths should always reflect various widths of the data

D.Be Mindful of the upper limits on the vertical exis to prevent compression, hiding variant details

2.Simone is a marketing consultant hired to review the product sales for a new high-end barista machine line. The product line has four variations, selling in four specialty store regions. To clearly show where each variation is selling best and in which regions, she plans to provide a color -scaled chart using percentage by type a location. What is the name of the chart she will be using?

A.Pivot table

B.Bubble plot

C.Color map

D.Heat map

3.The interquartile range is IqR6=Q3 -q1. Thus, it can be thought of as?

A.The 75% interquartile range

B.The quartile or 25% of the variable

C.The middle 50% of the variable

D.The incorporation of all observations

4.What is the arithmetic mean in the following table on variable score?

Student ID Score

R3041100.98

R3040030.88

R1022340.65

R2099390.92

A.0.92

B.0.88

C.0.765

D.0.8575

5.The following table is the summary statistics for scores. Calculate the Sharpe ratio of growth. Assume Rf=4

Type

minimum

maximum

Mean

Standard deviation

Scores

8

61

30.8182

4.93193

A.3.699

B.1.232

C.6.472

D.5.438

6.The empirical rules state all the following except

A.Almost all observations fall in the interval x + 2s

B.Approximately 95% of all observations fall in the interval x + 2 s

C.Approximately 65% of all observation fall in the interval x + s

D.Approximately 68% of all observations fall in the interval x +s